{
  "count": 2,
  "next": null,
  "previous": null,
  "results": [
    {
      "id": 1,
      "name": "C01",
      "slug": "c01",
      "site": {
        "id": 1,
        "url": "http://xxx/api/dcim/sites/1/",
        "name": "KAR-DC",
        "slug": "kar-dc"
      },
      "description": "",
      "vlan_count": 13
    },
    {
      "id": 2,
      "name": "QA",
      "slug": "qa",
      "site": {
        "id": 1,
        "url": "http://xxx/api/dcim/sites/1/",
        "name": "KAR-DC",
        "slug": "kar-dc"
      },
      "description": "",
      "vlan_count": 2
    }
  ]
}

curl -X POST "http://xxx/api/ipam/vlans/" -H "accept: application/json" -H "Content-Type: application/json" -H "X-CSRFToken: " -d "{ \"vid\": 3098, \"name\": \"sgu-8-lan\", \"group\": { \"slug\": \"c01\" }}"

AttributeError at /api/ipam/vlans/
'UniqueTogetherValidator' object has no attribute 'set_context'

Request Method: POST
Request URL: http://10.0.192.20/api/ipam/vlans/
Django Version: 3.0.5
Python Executable: /opt/netbox/venv/bin/python3
Python Version: 3.7.3
Python Path: ['/opt/netbox/venv/bin', '/opt/netbox/netbox', '/', '/usr/lib/python37.zip', '/usr/lib/python3.7', '/usr/lib/python3.7/lib-dynload', '/opt/netbox/venv/lib/python3.7/site-packages']
Server time: Wed, 15 Apr 2020 10:01:42 +0000
Installed Applications:
['django.contrib.admin',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'django.contrib.humanize',
 'cacheops',
 'corsheaders',
 'debug_toolbar',
 'django_filters',
 'django_tables2',
 'django_prometheus',
 'mptt',
 'rest_framework',
 'taggit',
 'taggit_serializer',
 'timezone_field',
 'circuits',
 'dcim',
 'ipam',
 'extras',
 'secrets',
 'tenancy',
 'users',
 'utilities',
 'virtualization',
 'django_rq',
 'drf_yasg']
Installed Middleware:
['debug_toolbar.middleware.DebugToolbarMiddleware',
 'django_prometheus.middleware.PrometheusBeforeMiddleware',
 'corsheaders.middleware.CorsMiddleware',
 'django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.common.CommonMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'django.middleware.clickjacking.XFrameOptionsMiddleware',
 'django.middleware.security.SecurityMiddleware',
 'utilities.middleware.ExceptionHandlingMiddleware',
 'utilities.middleware.RemoteUserMiddleware',
 'utilities.middleware.LoginRequiredMiddleware',
 'utilities.middleware.APIVersionMiddleware',
 'extras.middleware.ObjectChangeMiddleware',
 'django_prometheus.middleware.PrometheusAfterMiddleware']


Traceback (most recent call last):
  File "/opt/netbox/venv/lib/python3.7/site-packages/django/core/handlers/exception.py", line 34, in inner
    response = get_response(request)
  File "/opt/netbox/venv/lib/python3.7/site-packages/django/core/handlers/base.py", line 115, in _get_response
    response = self.process_exception_by_middleware(e, request)
  File "/opt/netbox/venv/lib/python3.7/site-packages/django/core/handlers/base.py", line 113, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/opt/netbox/venv/lib/python3.7/site-packages/django/views/decorators/csrf.py", line 54, in wrapped_view
    return view_func(*args, **kwargs)
  File "/opt/netbox/venv/lib/python3.7/site-packages/rest_framework/viewsets.py", line 114, in view
    return self.dispatch(request, *args, **kwargs)
  File "/opt/netbox/netbox/utilities/api.py", line 330, in dispatch
    return super().dispatch(request, *args, **kwargs)
  File "/opt/netbox/venv/lib/python3.7/site-packages/rest_framework/views.py", line 505, in dispatch
    response = self.handle_exception(exc)
  File "/opt/netbox/venv/lib/python3.7/site-packages/rest_framework/views.py", line 465, in handle_exception
    self.raise_uncaught_exception(exc)
  File "/opt/netbox/venv/lib/python3.7/site-packages/rest_framework/views.py", line 476, in raise_uncaught_exception
    raise exc
  File "/opt/netbox/venv/lib/python3.7/site-packages/rest_framework/views.py", line 502, in dispatch
    response = handler(request, *args, **kwargs)
  File "/opt/netbox/venv/lib/python3.7/site-packages/rest_framework/mixins.py", line 18, in create
    serializer.is_valid(raise_exception=True)
  File "/opt/netbox/venv/lib/python3.7/site-packages/rest_framework/serializers.py", line 234, in is_valid
    self._validated_data = self.run_validation(self.initial_data)
  File "/opt/netbox/venv/lib/python3.7/site-packages/rest_framework/serializers.py", line 436, in run_validation
    value = self.validate(value)
  File "/opt/netbox/netbox/ipam/api/serializers.py", line 125, in validate
    validator.set_context(self)

Exception Type: AttributeError at /api/ipam/vlans/
Exception Value: 'UniqueTogetherValidator' object has no attribute 'set_context'